Z.AI Co Ltd, formerly Knowledge Atlas Technology JSC Ltd is a China-based company primarily engaged in the provision of large model-related services. The Company operates through two segments. The On-premise Deployment segment is primarily engaged in the development and provision of customised large model-related services according to the customers' instructions and needs at the customers’ infrastructure. The Cloud-based Deployment segment is engaged in the development and provision of cloud-based large model-related services to customers through cloud infrastructure. The Company's products primarily consist of open platforms and Application Programming Interface (API), enterprise-level agents, enterprise-level general-purpose large models, technical services and others. The Company primarily conducts its business in the domestic market.